====================================== | [ 12.476215][ T264] softirqs last disabled at (24027): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.476217][ T264] Preemption disabled at: | [ 12.476218][ T264] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.476228][ T264] Tainted: [W]=WARN [ 12.476229][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.476231][ T264] Call Trace: [ 12.476232][ T264] [ 12.476234][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.476240][ T264] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.476242][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 12.476246][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.476250][ T264] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.476256][ T264] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.476258][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.476264][ T264] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.476267][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.476270][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 12.476272][ T264] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 12.476274][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.476277][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.476280][ T264] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.476285][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.476288][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.476289][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.476294][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.476295][ T264] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.476299][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.476302][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.476306][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.476310][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.476312][ T264] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.476315][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.476317][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.476321][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.476326][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.476327][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.476333][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.476336][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.476338][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.476340][ T264] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.476344][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.476346][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.476350][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 12.476354][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.476360][ T264] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 12.476363][ T264] _printk (kernel/printk/printk.c:2504) [ 12.476367][ T264] ? snapshot_read.cold (user.c:?) [ 12.476373][ T264] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 12.476376][ T264] gre_init (gre.mod.c:?) gre [ 12.476379][ T264] do_one_initcall (init/main.c:1357) [ 12.476382][ T264] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.476387][ T264] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.476390][ T264] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.476395][ T264] do_init_module (kernel/module/main.c:3117) [ 12.476398][ T264] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.476402][ T264] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.476406][ T264] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.476410][ T264] load_module (kernel/module/main.c:3593) [ 12.476418][ T264] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.476423][ T264] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.476426][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.476431][ T264] init_module_from_file (kernel/module/main.c:3790) [ 12.476434][ T264] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.476442][ T264] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.476446][ T264] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.476449][ T264] idempotent_init_module (kernel/module/main.c:3802) [ 12.476453][ T264] ? init_module_from_file (kernel/module/main.c:3791) [ 12.476459][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.476462][ T264] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.476468][ T264] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.476470][ T264] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.476474][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.476476][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.476479][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.476481][ T264] RIP: 0033:0x7f2bc617137d [ 12.476485][ T264] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 12.476486][ T264] RSP: 002b:00007ffdd3962fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.476489][ T264] RAX: ffffffffffffffda RBX: 0000560d8cc39a40 RCX: 00007f2bc617137d [ 12.476490][ T264] RDX: 0000000000000000 RSI: 0000560d7e94effd RDI: 0000000000000001 [ 12.476491][ T264] RBP: 00007ffdd3963070 R08: 0000000000000000 R09: 0000000000000000 [ 12.476492][ T264] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560d7e94effd [ 12.476493][ T264] R13: 0000560d8cc39a00 R14: 0000000000040000 R15: 0000000000000000 | [ 14.499060][ T328] softirqs last disabled at (20599): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.499063][ T328] Preemption disabled at: | [ 14.499063][ T328] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.499073][ T328] Tainted: [W]=WARN [ 14.499074][ T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.499075][ T328] Call Trace: [ 14.499077][ T328] [ 14.499078][ T328] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.499084][ T328] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.499086][ T328] __might_resched.cold (kernel/sched/core.c:9234) [ 14.499091][ T328] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.499095][ T328] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.499100][ T328] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.499102][ T328] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.499108][ T328] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.499110][ T328] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.499113][ T328] put_chars (drivers/char/virtio_console.c:1176) [ 14.499115][ T328] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 14.499118][ T328] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.499121][ T328] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.499124][ T328] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.499128][ T328] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.499131][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.499132][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.499137][ T328] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.499138][ T328] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.499141][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.499144][ T328] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.499148][ T328] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.499152][ T328] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.499154][ T328] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.499157][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.499159][ T328] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.499163][ T328] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.499167][ T328] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.499169][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.499174][ T328] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.499177][ T328] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.499179][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.499181][ T328] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.499185][ T328] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.499186][ T328] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.499190][ T328] vprintk_emit (kernel/printk/printk.c:2479) [ 14.499194][ T328] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.499199][ T328] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 14.499202][ T328] _printk (kernel/printk/printk.c:2504) [ 14.499206][ T328] ? snapshot_read.cold (user.c:?) [ 14.499212][ T328] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 14.499215][ T328] gact_init_module (net/sched/act_gact.c:180) act_gact [ 14.499217][ T328] do_one_initcall (init/main.c:1357) [ 14.499220][ T328] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.499225][ T328] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.499228][ T328] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.499233][ T328] do_init_module (kernel/module/main.c:3117) [ 14.499236][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.499240][ T328] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.499244][ T328] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.499248][ T328] load_module (kernel/module/main.c:3593) [ 14.499255][ T328] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.499259][ T328] ? __ia32_sys_fsconfig (??:?) [ 14.499261][ T328] ? ovl_real_file (fs/overlayfs/file.c:195) [ 14.499265][ T328] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.499267][ T328] ? backing_file_read_iter (fs/backing-file.c:211) [ 14.499270][ T328] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.499274][ T328] init_module_from_file (kernel/module/main.c:3790) [ 14.499277][ T328] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.499285][ T328] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.499288][ T328] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.499292][ T328] idempotent_init_module (kernel/module/main.c:3802) [ 14.499295][ T328] ? init_module_from_file (kernel/module/main.c:3791) [ 14.499301][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.499304][ T328] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.499310][ T328] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.499312][ T328] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.499315][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.499317][ T328] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.499320][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.499322][ T328] RIP: 0033:0x7f26beb6b37d [ 14.499325][ T328] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 14.499327][ T328] RSP: 002b:00007ffefab7a268 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.499330][ T328] RAX: ffffffffffffffda RBX: 0000559031701810 RCX: 00007f26beb6b37d [ 14.499331][ T328] RDX: 0000000000000000 RSI: 00005590094f7ffd RDI: 0000000000000000 [ 14.499332][ T328] RBP: 00007ffefab7a300 R08: 0000000000000000 R09: 0000000000000000 [ 14.499333][ T328] R10: 0000000000000000 R11: 0000000000000246 R12: 00005590094f7ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars